Someone did a real world thing similar to this using a 3D printer. They evolved their creatures up to a certain level in simulation then made them real with a c

Someone did a real world thing similar to this using a 3D printer. They evolved their creatures up to a certain level in simulation then made them real with a combination of 3D printed parts and manually inserted motors. I've seen the video before and it's kind of cool, can't find the link now though. Anyone?